Designed
to be drawn down in the summer, reservoirs refill
in the spring through runoff naturally and by pumping
water up into them.

United Water of New Jersey has four reservoirs with
a total capacity of 13.9 BG.

The
Newark Water Department owns five reservoirs with
a total capacity of 14.4 BG.

The
North Jersey District Water Supply Commission owns
and operates two reservoirs with a total capacity
of 36.6 BG and two pumping stations on the Pompton
and Ramapo rivers which are used to refill the reservoirs.

The
Jersey City Water Department owns 2 reservoirs with
total capacity of 11.4 BG